However, if you are looking for a stable experience, then Lineage OS 15.1 is the best bet for you. The first custom AOSP 8.0 Oreo build came for Xiaomi devices. Now, the first Lineage OS 15.1 ROM has been developed for the Google Pixel and Pixel XL device. The “lineage-15.1” kernel tree has been uploaded onto LineageOS Github.

Download official Lineage OS 15.1 ROM for Google Pixel and Pixel XL

The following ROM is the first build but stable nightly build. Download the latest build from here or from the source.

How to install Lineage OS 15.1 ROM on Google Pixel phones

Install LineageOS 15 ROM as you will install any Android device. procedure is the same as that of any other custom ROM like the official Resurrection Remix. Make sure your Android device has an unlocked bootloader and a custom TWRP recovery installed. Grab the latest Lineage OS build from above and flash it via TWRP recovery.